The anal triangle is the posterior part of the perineum. It contains the anus in mammals.
Related Image Collections
Add Image
We don't have any YouTube videos related to Anal triangle yet.
You can add one yourself here.
We don't have any PDF documents related to Anal triangle yet.
You can add one yourself here.
We don't have any Books related to Anal triangle yet.
You can add one yourself here.
We don't have any archived web articles related to Anal triangle yet.
Structure
The anal triangle can be defined either by its vertices or its sides.
- Vertices
- one vertex at the coccyx bone
- the two ischial tuberosities of the pelvic bone
- Sides
- perineal membrane (posterior border of perineal membrane forms anterior border of anal triangle)
- the two sacrotuberous ligaments
Contents
Some components of the anal triangle include:1
- Ischioanal fossa
- Anococcygeal body
- Sacrotuberous ligament
- Sacrospinous ligament
- Pudendal nerve
- Internal pudendal artery and internal pudendal vein
- Anal canal
- Muscles
Additional images
See also
External links
- Anatomy photo:41:01-0202 at the SUNY Downstate Medical Center - "The Female Perineum: Boundaries of the Female Perineum"
- perineum at The Anatomy Lesson by Wesley Norman (Georgetown University) (perineumboundaries)
References
Daftary, Shirish; Chakravarti, Sudip (2011). Manual of Obstetrics, 3rd Edition. Elsevier. pp. 1-16. ISBN 9788131225561. /wiki/ISBN_(identifier) ↩